On Mon, 2 May 2005, Poul-Henning Kamp wrote:
> In message <[EMAIL PROTECTED]>, Eric Anderson writes: > > >Don't mean to be terse here, but I'm talking about the same test done an > >two different RAID5 configurations, with different disks, and not just > >me - other users in this very thread see the same issue.. > > Uhm, if you are using RAID5 and your requests are not aligned and > sized after the RAID5 you should *expect* read performance to be poor. > > If you your request ends up accessing two different blocks even just > once per stripe, this totally kills performance. My system is setup with RAID 1+0. So its not a RAID5 issue... _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "[EMAIL PROTECTED]"